21937482

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4107

約数の個数: 48

約数和(自身を含む): 55598400

約数和(自身を除く): 33660918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 4049, 5418, 8098, 12147, 24294, 28343, 36441, 56686, 72882, 85029, 170058, 174107, 255087, 348214, 510174, 522321, 1044642, 1218749, 1566963, 2437498, 3133926, 3656247, 7312494, 10968741, 21937482]

約数ペア:

[(1, 21937482), (2, 10968741), (3, 7312494), (6, 3656247), (7, 3133926), (9, 2437498), (14, 1566963), (18, 1218749), (21, 1044642), (42, 522321), (43, 510174), (63, 348214), (86, 255087), (126, 174107), (129, 170058), (258, 85029), (301, 72882), (387, 56686), (602, 36441), (774, 28343), (903, 24294), (1806, 12147), (2709, 8098), (4049, 5418)]